The cost of replacing headlights is extremely high, in comparison to restoring the lenses to a crystal clear finish.
Cloudy headlights can reduce visibility at night with up to 75% making the distance in which you can detect dangers, much shorter. Headlights begin to fade over time, and there's no way around it. As your headlights fade, the amount of light that makes it out of the headlight becomes less, and before you know it, driving at night becomes difficult, but more importantly, dangerous. This is due to oxidation on the lenses Once oxidation begins to take place, it quickly degrades the headlight lens, because polycarbonate is a porous..